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FEV1Q as a race-neutral assessment of lung function in Nepal, Peru and Uganda. 在尼泊尔、秘鲁和乌干达,FEV1Q作为肺功能的种族中立评估。
IF 24.3 1区 医学 Q1 RESPIRATORY SYSTEM Pub Date : 2025-12-18 DOI: 10.1183/13993003.01830-2025
Ayadh Alayadhi,Arafa Aboelhassan,Nicola Foster,Julie A Barber,Patricia Alupo,Ram K Chandyo,Oscar Flores-Flores,Bruce Kirenga,Renata G Mendes,Shumonta A Quaderi,Arun K Sharma,Trishul Siddharthan,William Checkley,John R Hurst,
BACKGROUNDFEV1Q (Forced Expiratory Volume in 1 s Quotient) is a race-neutral expression of lung function. The validity and utility of FEV1Q across Global South populations has not been previously explored.METHODSWe conducted a post-hoc analysis of data from the Global Excellence in COPD Outcomes-1 (GECo1 and GECo2) studies in which a random age- and sex-stratified population of 10 709 people were recruited in Nepal, Peru and Uganda. The FEV1 first percentile (used to derive FEV1Q) was estimated in those with COPD by site and sex. We examined associations between FEV1Q, risk factors and respiratory morbidity. We estimated the rate of decline in FEV1Q. We evaluated the discriminative accuracy of FEV1Q in diagnosing COPD.FINDINGSThe first percentile FEV1 in those with COPD at 0·43 L in women and 0·52 L in men is similar to those previously used to calculate FEV1Q. Lower FEV1Q was associated with older age, lower socioeconomic status, shorter height, and greater smoking pack-years. We estimated that decline in FEV1Q with age was 0·65 (95%CI: 0·64; 0·67) units/10 years, more rapid in those continuing to smoke at 0·82 (95%CI: 0·77; 0·87) units/10 years. FEV1Q was lower in those with prior respiratory hospitalizations and impairment in daily activities due to respiratory disease, and associated with future hospitalization risk in the GECo2 study. Pre-bronchodilator FEV1Q had reasonable diagnostic accuracy for COPD (AUC 0·87(95%CI:0·85-0·88)), similar to pre-bronchodilator FEV1% predicted (AUC 0·88(95%CI:0·87-0·90)).INTERPRETATIONOur data support the validity and utility of FEV1Q as a race-neutral approach to lung function assessment in diverse settings, including the Global South where the burden of lung disease is greatest.FUNDINGThis study was funded by the Medical Research Council (grant MR/P008984/1) under a Global Alliance for Chronic Diseases call. JRH is funded by the NIHR (project reference 303125) using UK international development funding from the UK Government to support global health research. The views expressed in this publication are those of the authors and not necessarily those of the NIHR or the UK government.
fev1q (1s用力呼气容积商)是肺功能的种族中性表达。FEV1Q在全球南方人口中的有效性和实用性之前没有被探索过。方法:我们对全球COPD预后卓越-1 (GECo1和GECo2)研究的数据进行了事后分析,该研究在尼泊尔、秘鲁和乌干达随机招募了10709名年龄和性别分层的人群。COPD患者FEV1第一百分位数(用于得出FEV1Q)按部位和性别估计。我们研究了FEV1Q、危险因素和呼吸道疾病之间的关系。我们估计了FEV1Q的下降速度。我们评估了FEV1Q在诊断COPD中的鉴别准确性。研究结果:COPD患者的第一个百分位数FEV1女性为0.43 L,男性为0.52 L,与以前计算FEV1Q的方法相似。较低的FEV1Q与年龄较大、社会经济地位较低、身高较矮和吸烟包年较多有关。我们估计FEV1Q随年龄的下降为0.65 (95%CI: 0.64; 0.67)单位/10年,继续吸烟的FEV1Q下降速度更快,为0.82 (95%CI: 0.77; 0.87)单位/10年。在GECo2研究中,有呼吸系统住院史和因呼吸系统疾病导致日常活动障碍的患者FEV1Q较低,且与未来住院风险相关。支气管扩张剂前FEV1Q对COPD的诊断准确率合理(AUC为0.87 (95%CI: 0.85 - 0.88)),与支气管扩张剂前FEV1%的预测值(AUC为0.88 (95%CI: 0.87 - 0.90))相似。我们的数据支持FEV1Q作为不同环境下肺功能评估的种族中立方法的有效性和效用,包括肺部疾病负担最重的全球南方。本研究由医学研究委员会(批准号MR/P008984/1)在全球慢性疾病联盟的号召下资助。JRH由英国国家卫生研究院资助(项目编号303125),利用英国政府提供的英国国际发展资金支持全球卫生研究。本出版物中表达的观点仅代表作者的观点,不一定代表英国国立卫生研究院或英国政府的观点。
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引用次数: 0
The IL-4 paradox: could basophil-based ARDS resolution backfire in humans? IL-4悖论:基于嗜碱性粒细胞的ARDS解决方案会在人类中适得其反吗?
IF 24.3 1区 医学 Q1 RESPIRATORY SYSTEM Pub Date : 2025-12-18 DOI: 10.1183/13993003.01627-2025
Tingting Liu,Guangdong Wang,Wenwen Ji,Zhihong Shi
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引用次数: 0
When the pleura appears normal: advancing minimally invasive diagnosis of malignant pleural effusion. 当胸膜表现正常:推进恶性胸腔积液的微创诊断。
IF 24.3 1区 医学 Q1 RESPIRATORY SYSTEM Pub Date : 2025-12-18 DOI: 10.1183/13993003.01753-2025
José M Porcel
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引用次数: 0
Exploring fibroblast activation protein as an early biomarker in chronic lung allograft dysfunction. 探索成纤维细胞激活蛋白作为慢性同种异体肺移植功能障碍的早期生物标志物。
IF 24.3 1区 医学 Q1 RESPIRATORY SYSTEM Pub Date : 2025-12-18 DOI: 10.1183/13993003.01738-2025
Yudai Miyashita,Taisuke Kaiho,Hideki Nagata,Takashi Hiroshima,Yusuke Sugiura,Kaijie Zhang,Megan E Kelly,Yuanqing Yan,Takahide Toyoda,Alicia Steffens,Haiying Sun,Hiam Abdala-Valencia,Toru Kimura,Bowen Wang,Carl Atkinson,Ankit Bharat,Takashi Kanou,Yasushi Shintani,Chitaru Kurihara
QUESTIONChronic lung allograft dysfunction (CLAD) is the leading cause of late graft failure after lung transplantation. Fibroblast activation protein (FAP) is selectively upregulated in activated fibroblasts under fibrotic conditions. We asked whether FAP expression is increased in chronic lung allograft dysfunction and whether it can serve as an early diagnostic marker.MATERIALS AND METHODSWe performed single-cell RNA sequencing on two murine orthotopic lung transplant models (C57BL/6→C57BL/10 and BALB/c→C57BL/6) and human lung tissue from five controls and five patients with CLAD. We quantified FAP expression by immunohistochemistry in transbronchial biopsies from 240 lung transplant recipients (62 with CLAD and 178 without CLAD). Receiver-operating characteristic curves determined an optimal FAP-positive area threshold. Kaplan-Meier analysis and Cox proportional hazards models assessed the association between FAP positivity and CLAD.RESULTSIn both murine and human single-cell data, FAP expression was confined to pathogenic fibroblast subsets and was significantly elevated in CLAD. In the clinical cohort, a threshold of 10.8 percent FAP-positive area discriminated chronic dysfunction with an area under the curve of 0.78 (95% CI, 0.72-0.85), sensitivity of 65%, and specificity of 84%. FAP positivity predicted shorter CLAD-free survival (p<0.0001) and overall survival (p=0.03). The hazard ratio for CLAD was 5.23 (95% CI, 3.11-8.82; p<0.001), remaining significant after multivariable adjustment (hazard ratio 5.43; 95% CI, 3.22-9.16; p<0.001).ANSWERFAP expression is elevated in CLAD and is associated with subsequent CLAD and survival. Tissue FAP may enable early risk stratification and inform clinical surveillance; however, given its moderate discrimination, prospective validation in multicenter cohorts is warranted.
慢性同种异体肺移植功能障碍(chronic lung allograft dysfunction, CLAD)是肺移植术后晚期移植物衰竭的主要原因。成纤维细胞活化蛋白(FAP)在纤维化条件下被激活的成纤维细胞中选择性上调。我们询问FAP表达是否在慢性同种异体肺移植功能障碍中增加,以及它是否可以作为早期诊断标志。材料与方法对两种小鼠原位肺移植模型(C57BL/6→C57BL/10和BALB/c→C57BL/6)和5名对照组和5名CLAD患者的人肺组织进行单细胞RNA测序。我们用免疫组织化学方法量化了240例肺移植受者(62例有CLAD, 178例没有)经支气管活检中FAP的表达。接收器工作特性曲线确定了最佳的fap阳性面积阈值。Kaplan-Meier分析和Cox比例风险模型评估了FAP阳性与CLAD之间的关系。结果在小鼠和人单细胞数据中,FAP表达仅限于致病性成纤维细胞亚群,而在CLAD中显著升高。在临床队列中,10.8%的fap阳性区域鉴别慢性功能障碍的阈值为曲线下面积0.78 (95% CI, 0.72-0.85),敏感性为65%,特异性为84%。FAP阳性预测较短的无clad生存期(p<0.0001)和总生存期(p=0.03)。CLAD的风险比为5.23 (95% CI, 3.11-8.82; p<0.001),多变量调整后仍然显著(风险比5.43;95% CI, 3.22-9.16; p<0.001)。ANSWERFAP表达在CLAD中升高,并与随后的CLAD和生存率相关。组织FAP可以实现早期风险分层并为临床监测提供信息;然而,考虑到其适度的歧视,在多中心队列中进行前瞻性验证是有必要的。
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引用次数: 0
Decreasing inhaled corticosteroids in pregnancy increases the risk for asthma exacerbations: time for new approaches to solve a decades-old problem. 怀孕期间减少吸入皮质类固醇会增加哮喘恶化的风险:是时候用新方法来解决这个存在了几十年的问题了。
IF 24.3 1区 医学 Q1 RESPIRATORY SYSTEM Pub Date : 2025-12-18 DOI: 10.1183/13993003.01979-2025
Vanessa E Murphy
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引用次数: 0
Alvelestat for alpha-1 antitrypsin deficiency-associated emphysema: the hope for an oral treatment. 阿尔韦司他治疗α -1抗胰蛋白酶缺乏相关性肺气肿:口服治疗的希望。
IF 24.3 1区 医学 Q1 RESPIRATORY SYSTEM Pub Date : 2025-12-18 DOI: 10.1183/13993003.02003-2025
Dave Singh,Marc Miravitlles
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引用次数: 0
Pregnancy, asthma and exacerbations: a population-based cohort. 妊娠、哮喘和加重:一个基于人群的队列。
IF 21 1区 医学 Q1 RESPIRATORY SYSTEM Pub Date : 2025-12-18 Print Date: 2025-12-01 DOI: 10.1183/13993003.01327-2025
Bohee Lee, Ernie Wong, Tricia Tan, Hitasha Rupani, Chloe I Bloom

Background: Asthma exacerbations during pregnancy are associated with adverse maternal and perinatal outcomes. Identifying modifiable risk factors is essential for improving health outcomes. We aimed to describe exacerbation patterns during pregnancy and identify exacerbation risk factors, particularly modifiable risk factors such as inhaled corticosteroid use.

Methods: This was a cohort study using UK primary care and hospital data (2004-2020) to identify pregnant women with asthma. Exacerbations were defined as a short course of oral corticosteroids, emergency department visit or unscheduled hospital admission. Multivariable logistic regression was used to assess associations between maternal characteristics and exacerbations (primary outcome) and inhaled corticosteroid use (secondary outcome).

Results: Among 40 196 pregnant women with asthma, total exacerbations declined by ∼30% during pregnancy. However, exacerbations associated with hospital admission increased by 30-45% during the second and third trimesters, declining abruptly after delivery. Inhaled corticosteroid prescriptions were reduced in 31% of women during pregnancy. Decreased inhaled corticosteroid use was associated with suboptimal asthma control pre-pregnancy, age, ethnicity and smoking. The strongest exacerbation risk factors were a history of exacerbations (adjusted OR 4.09, 95% CI 3.81-4.39), reduced inhaled corticosteroid use during pregnancy (adjusted OR 2.29, 95% CI 2.12-2.47) and ≥4 prescriptions per year for inhaled corticosteroids plus another preventer before pregnancy (adjusted odds ratio 2.11, 95% CI 1.87-2.37). Additional risk factors included blood eosinophilia, smoking and obesity.

Conclusions: Despite fewer total exacerbations, exacerbations associated with a hospital admission increased during pregnancy. One third of women reduced inhaled corticosteroid use during pregnancy, yet this was the second largest exacerbation risk factor and is completely modifiable. Other major risk factors were type 2 inflammation and another modifiable risk factor, suboptimal asthma control pre-pregnancy.

背景:妊娠期哮喘加重与不良的孕产妇和围产期结局相关。确定可改变的风险因素对于改善健康结果至关重要。我们的目的是描述怀孕期间的恶化模式,并确定恶化的危险因素,特别是可改变的危险因素,如吸入皮质类固醇(ICS)的使用。方法:使用英国初级保健和医院数据(2004-2020)进行队列研究,以确定患有哮喘的孕妇。急性加重被定义为短期口服皮质类固醇、急诊就诊或计划外住院。采用多变量logistic回归评估产妇特征与病情加重(主要结局)和ICS使用(次要结局)之间的关联。结果:在40196名哮喘孕妇中,妊娠期总加重率下降了~ 30%。然而,与住院有关的病情恶化在妊娠中期和晚期增加了30-45%,在分娩后突然下降。31%的怀孕妇女减少了ICS处方。减少ICS使用与孕前、年龄、种族和吸烟的次优哮喘控制有关。最强的加重危险因素是加重史(校正or, 95% CI: 4.09, 3.81-4.39)、妊娠期间ICS减少(2.29,2.12-2.47)和妊娠前ICS+另一种预防剂≥4张/年处方(2.11,1.87-2.37)。其他危险因素包括嗜酸性粒细胞增多、吸烟和肥胖。结论:尽管总加重次数较少,但与住院相关的加重次数在妊娠期间增加。三分之一的妇女在怀孕期间减少了ICS的使用,但这是第二大加重风险因素,并且完全可以改变。其他主要的危险因素是2型炎症和另一个可改变的危险因素,即孕前哮喘控制不佳。
{"title":"Pregnancy, asthma and exacerbations: a population-based cohort.","authors":"Bohee Lee, Ernie Wong, Tricia Tan, Hitasha Rupani, Chloe I Bloom","doi":"10.1183/13993003.01327-2025","DOIUrl":"10.1183/13993003.01327-2025","url":null,"abstract":"<p><strong>Background: </strong>Asthma exacerbations during pregnancy are associated with adverse maternal and perinatal outcomes. Identifying modifiable risk factors is essential for improving health outcomes. We aimed to describe exacerbation patterns during pregnancy and identify exacerbation risk factors, particularly modifiable risk factors such as inhaled corticosteroid use.</p><p><strong>Methods: </strong>This was a cohort study using UK primary care and hospital data (2004-2020) to identify pregnant women with asthma. Exacerbations were defined as a short course of oral corticosteroids, emergency department visit or unscheduled hospital admission. Multivariable logistic regression was used to assess associations between maternal characteristics and exacerbations (primary outcome) and inhaled corticosteroid use (secondary outcome).</p><p><strong>Results: </strong>Among 40 196 pregnant women with asthma, total exacerbations declined by ∼30% during pregnancy. However, exacerbations associated with hospital admission increased by 30-45% during the second and third trimesters, declining abruptly after delivery. Inhaled corticosteroid prescriptions were reduced in 31% of women during pregnancy. Decreased inhaled corticosteroid use was associated with suboptimal asthma control pre-pregnancy, age, ethnicity and smoking. The strongest exacerbation risk factors were a history of exacerbations (adjusted OR 4.09, 95% CI 3.81-4.39), reduced inhaled corticosteroid use during pregnancy (adjusted OR 2.29, 95% CI 2.12-2.47) and ≥4 prescriptions per year for inhaled corticosteroids plus another preventer before pregnancy (adjusted odds ratio 2.11, 95% CI 1.87-2.37). Additional risk factors included blood eosinophilia, smoking and obesity.</p><p><strong>Conclusions: </strong>Despite fewer total exacerbations, exacerbations associated with a hospital admission increased during pregnancy. One third of women reduced inhaled corticosteroid use during pregnancy, yet this was the second largest exacerbation risk factor and is completely modifiable. Other major risk factors were type 2 inflammation and another modifiable risk factor, suboptimal asthma control pre-pregnancy.</p>","PeriodicalId":12265,"journal":{"name":"European Respiratory Journal","volume":" ","pages":""},"PeriodicalIF":21.0,"publicationDate":"2025-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12713386/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144948358","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A normal BNP does not reliably exclude pulmonary hypertension in interstitial lung disease. 正常的BNP不能可靠地排除肺间质性疾病的肺动脉高压。
IF 24.3 1区 医学 Q1 RESPIRATORY SYSTEM Pub Date : 2025-12-18 DOI: 10.1183/13993003.01833-2025
Adam J Brownstein,Lloyd Lliang,Richard Channick,Airie Kim,Rajan Saggar
{"title":"A normal BNP does not reliably exclude pulmonary hypertension in interstitial lung disease.","authors":"Adam J Brownstein,Lloyd Lliang,Richard Channick,Airie Kim,Rajan Saggar","doi":"10.1183/13993003.01833-2025","DOIUrl":"https://doi.org/10.1183/13993003.01833-2025","url":null,"abstract":"","PeriodicalId":12265,"journal":{"name":"European Respiratory Journal","volume":"20 1","pages":""},"PeriodicalIF":24.3,"publicationDate":"2025-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145777438","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Efficacy of isoniazid in pediatric tuberculosis: an individual participant data meta-analysis. 异烟肼治疗儿童结核病的疗效:个体参与者数据荟萃分析。
IF 24.3 1区 医学 Q1 RESPIRATORY SYSTEM Pub Date : 2025-12-18 DOI: 10.1183/13993003.01046-2025
Agathe Béranger,Belén P Solans,Ryo Miyakawa,Helen McIlleron,Joel Tarning,Ira Shah,Blessed Winston Aruldhas,Binu Susan Mathew,Awewura Kwara,Charles A Peloquin,Aparna Mukherjee,Rakesh Lodha,Paolo Denti,Edmund V Capparelli,Jennifer J Kiser,Adrie Bekker,Chishala Chabala,Louise Choo,Anna Turkova,Fajri Gafar,Rovina Ruslami,Heda M Nataprawira,Scott K Heysell,Tania A Thomas,Thirumurthy Velpandian,Jeremy N Day,Nguyen Duc Bang,Kelly Dooley,Radojka M Savic
BACKGROUNDIsoniazid is a cornerstone of management therapy for tuberculosis. The aim was to determine the association between isoniazid exposure and clinical outcomes, to develop a pharmacokinetic model, and to optimize the dosing regimen in children treated for drug-susceptible tuberculosis.METHODSFor this individual participant data meta-analysis, PubMed was searched for observational studies, involving children (0-18 years), being treated for drug susceptible tuberculosis. The relationship between isoniazid exposure and clinical outcomes was analyzed using a mixed-effects logistic regression model. Pharmacokinetic parameters were described using nonlinear mixed effects modeling. Pharmacokinetic target was the median adult area under the concentration time curve (AUCss) of 23.4 mg.h·L-1.RESULTSSix studies provided clinical outcomes, including 405 patients, of which 21% had unfavorable outcomes. Sixteen studies (1255 patients) were included in the pharmacokinetic model. Unfavorable outcomes were only related to lower BMI for age Z-score (OR 0.96, 95% CI 0.93-0.99, p<0.05). Isoniazid exposure was impacted by NAT2 genotype, weight, age, and nutritional status (using BMI for age Z-score). With currently recommended WHO doses, isoniazid exposure was similar to that of adults. Pharmacokinetic target attainment was 71.7% and 29.5% for slow and fast metabolizers, respectively (p<0.05); 50.5% for patients with a BAZ>0 and 42.6% for malnourished patients (BAZ<-2) (p<0.05). Model-informed dosing regimen showed that fast metabolizers could benefit from higher isoniazid dosing, especially in malnourished children.CONCLUSIONOur findings showed that the only predictor of unfavorable clinical outcomes was a lower BMI for age Z-score. We support the current WHO-recommended dosing regimen for isoniazid. To equalize and attain our pharmacological target for all children, dosing regimens could be adjusted on NAT2 genotype and nutritional status.
背景:双烟肼是结核病管理治疗的基石。目的是确定异烟肼暴露与临床结果之间的关系,建立药代动力学模型,并优化治疗药物敏感结核病儿童的给药方案。方法:对于这项个体参与者数据荟萃分析,检索PubMed中涉及儿童(0-18岁)的观察性研究,这些儿童正在接受药物敏感结核病的治疗。使用混合效应logistic回归模型分析异烟肼暴露与临床结果的关系。采用非线性混合效应模型描述药代动力学参数。药代动力学目标为23.4 mg.h·L-1浓度时间曲线下的中位成人面积。结果6项研究提供了临床结果,包括405例患者,其中21%的患者预后不良。16项研究(1255例患者)纳入药代动力学模型。不良结局仅与年龄z评分较低的BMI相关(OR 0.96, 95% CI 0.93-0.99,营养不良患者的p0和42.6% (BAZ<-2) (p<0.05)。基于模型的给药方案显示,快速代谢者可能受益于较高的异烟肼剂量,特别是在营养不良儿童中。结论:我们的研究结果表明,不良临床结果的唯一预测因子是年龄z分数较低的BMI。我们支持目前世卫组织推荐的异烟肼给药方案。为了平衡和达到我们对所有儿童的药理学目标,可以根据NAT2基因型和营养状况调整给药方案。
{"title":"Efficacy of isoniazid in pediatric tuberculosis: an individual participant data meta-analysis.","authors":"Agathe Béranger,Belén P Solans,Ryo Miyakawa,Helen McIlleron,Joel Tarning,Ira Shah,Blessed Winston Aruldhas,Binu Susan Mathew,Awewura Kwara,Charles A Peloquin,Aparna Mukherjee,Rakesh Lodha,Paolo Denti,Edmund V Capparelli,Jennifer J Kiser,Adrie Bekker,Chishala Chabala,Louise Choo,Anna Turkova,Fajri Gafar,Rovina Ruslami,Heda M Nataprawira,Scott K Heysell,Tania A Thomas,Thirumurthy Velpandian,Jeremy N Day,Nguyen Duc Bang,Kelly Dooley,Radojka M Savic","doi":"10.1183/13993003.01046-2025","DOIUrl":"https://doi.org/10.1183/13993003.01046-2025","url":null,"abstract":"BACKGROUNDIsoniazid is a cornerstone of management therapy for tuberculosis. The aim was to determine the association between isoniazid exposure and clinical outcomes, to develop a pharmacokinetic model, and to optimize the dosing regimen in children treated for drug-susceptible tuberculosis.METHODSFor this individual participant data meta-analysis, PubMed was searched for observational studies, involving children (0-18 years), being treated for drug susceptible tuberculosis. The relationship between isoniazid exposure and clinical outcomes was analyzed using a mixed-effects logistic regression model. Pharmacokinetic parameters were described using nonlinear mixed effects modeling. Pharmacokinetic target was the median adult area under the concentration time curve (AUCss) of 23.4 mg.h·L-1.RESULTSSix studies provided clinical outcomes, including 405 patients, of which 21% had unfavorable outcomes. Sixteen studies (1255 patients) were included in the pharmacokinetic model. Unfavorable outcomes were only related to lower BMI for age Z-score (OR 0.96, 95% CI 0.93-0.99, p<0.05). Isoniazid exposure was impacted by NAT2 genotype, weight, age, and nutritional status (using BMI for age Z-score). With currently recommended WHO doses, isoniazid exposure was similar to that of adults. Pharmacokinetic target attainment was 71.7% and 29.5% for slow and fast metabolizers, respectively (p<0.05); 50.5% for patients with a BAZ>0 and 42.6% for malnourished patients (BAZ<-2) (p<0.05). Model-informed dosing regimen showed that fast metabolizers could benefit from higher isoniazid dosing, especially in malnourished children.CONCLUSIONOur findings showed that the only predictor of unfavorable clinical outcomes was a lower BMI for age Z-score. We support the current WHO-recommended dosing regimen for isoniazid. To equalize and attain our pharmacological target for all children, dosing regimens could be adjusted on NAT2 genotype and nutritional status.","PeriodicalId":12265,"journal":{"name":"European Respiratory Journal","volume":"29 1","pages":""},"PeriodicalIF":24.3,"publicationDate":"2025-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145777459","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reply: From mice to humans: basophil-driven resolution in ARDS. 答复:从小鼠到人类:嗜碱性粒细胞驱动的ARDS解决方案。
IF 24.3 1区 医学 Q1 RESPIRATORY SYSTEM Pub Date : 2025-12-18 DOI: 10.1183/13993003.02022-2025
Seiko Takasawa,Hajime Karasuyama,Kensuke Miyake,Yasunari Miyazaki
{"title":"Reply: From mice to humans: basophil-driven resolution in ARDS.","authors":"Seiko Takasawa,Hajime Karasuyama,Kensuke Miyake,Yasunari Miyazaki","doi":"10.1183/13993003.02022-2025","DOIUrl":"https://doi.org/10.1183/13993003.02022-2025","url":null,"abstract":"","PeriodicalId":12265,"journal":{"name":"European Respiratory Journal","volume":"155 1","pages":""},"PeriodicalIF":24.3,"publicationDate":"2025-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145777461","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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European Respiratory Journal
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